64668-11-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 64668-11-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,6,6 and 8 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 64668-11:
(7*6)+(6*4)+(5*6)+(4*6)+(3*8)+(2*1)+(1*1)=147
147 % 10 = 7
So 64668-11-7 is a valid CAS Registry Number.